Refrigeration systems consume significant energy and contribute to greenhouse gas emissions. Nanofluids can enhance heat transfer and system efficiency, but challenges remain in nanoparticle stability, viscosity management, and long-term reliability. I seek practical strategies, experimental insights, and innovative approaches to optimize performance while advancing net-zero emission targets globally.
Tesfaye Barza
Optimization of cooling in refrigeration systems using nanofluids represents a promising approach to achieve high energy efficiency and stability, which is crucial for supporting global net-zero carbon emission goals. Nanofluids, which are suspensions of nanoparticles in base cooling fluids, enhance thermal conductivity and heat transfer, enabling more efficient cooling with lower energy consumption. However, to maximize energy efficiency, it is necessary to carefully select the type, size, and concentration of nanoparticles, as well as compatible base fluids, considering their stability and compatibility with system components. It is also important to monitor potential sedimentation and agglomeration of nanoparticles, which can negatively affect system performance and durability. Optimization requires a multidisciplinary approach combining experimental research and numerical simulations to identify the optimal operating parameters. By implementing these solutions, refrigeration systems can achieve significant reductions in energy consumption and greenhouse gas emissions, contributing to sustainable development and the fulfillment of climate goals.
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